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#include "../testingtools/imageasserter.h"
#include "../../structures/mask2d.h"
#include "../../structures/image2d.h"
#include "../../algorithms/highpassfilter.h"
#include <boost/test/unit_test.hpp>
using algorithms::HighPassFilter;
BOOST_AUTO_TEST_SUITE(high_pass_filter, *boost::unit_test::label("algorithms"))
BOOST_AUTO_TEST_CASE(filter_with_mask) {
const size_t width = 8, height = 8;
Image2DPtr image = Image2D::CreateZeroImagePtr(width, height);
image->SetValue(1, 1, 1.0);
Mask2DPtr mask = Mask2D::CreateSetMaskPtr<false>(width, height);
mask->SetValue(1, 1, true);
// High-pass filter
HighPassFilter filter;
filter.SetHWindowSize(4);
filter.SetVWindowSize(4);
filter.SetHKernelSigmaSq(4.0);
filter.SetVKernelSigmaSq(4.0);
image = filter.ApplyLowPass(image, mask);
ImageAsserter::AssertConstant(image, 0.0);
}
BOOST_AUTO_TEST_CASE(completely_masked_image) {
const size_t width = 9, height = 9;
Image2DPtr image = Image2D::CreateZeroImagePtr(width, height);
image->SetValue(1, 1, 1.0);
image->SetValue(8, 8, 10.0);
Mask2DPtr mask = Mask2D::CreateSetMaskPtr<true>(width, height);
// High-pass filter
HighPassFilter filter;
filter.SetHWindowSize(4);
filter.SetVWindowSize(4);
filter.SetHKernelSigmaSq(4.0);
filter.SetVKernelSigmaSq(4.0);
image = filter.ApplyLowPass(image, mask);
ImageAsserter::AssertConstant(image, 0.0);
}
BOOST_AUTO_TEST_CASE(nan_image) {
const size_t width = 7, height = 7;
Image2DPtr image = Image2D::CreateZeroImagePtr(width, height);
image->SetValue(1, 1, std::numeric_limits<float>::quiet_NaN());
image->SetValue(7, 7, 10.0);
// High-pass filter
HighPassFilter filter;
filter.SetHWindowSize(4);
filter.SetVWindowSize(4);
filter.SetHKernelSigmaSq(4.0);
filter.SetVKernelSigmaSq(4.0);
image = filter.ApplyLowPass(image,
Mask2D::CreateSetMaskPtr<false>(width, height));
ImageAsserter::AssertFinite(image);
}
BOOST_AUTO_TEST_SUITE_END()
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